package com.jeecg.o2o.captchas.controller;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.ConstraintViolation;
import javax.validation.Validator;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.jeecgframework.core.beanvalidator.BeanValidators;
import org.jeecgframework.core.common.controller.BaseController;
import org.jeecgframework.core.common.exception.BusinessException;
import org.jeecgframework.core.common.hibernate.qbc.CriteriaQuery;
import org.jeecgframework.core.common.model.json.AjaxJson;
import org.jeecgframework.core.common.model.json.DataGrid;
import org.jeecgframework.core.constant.Globals;
import org.jeecgframework.core.util.ExceptionUtil;
import org.jeecgframework.core.util.MyBeanUtils;
import org.jeecgframework.core.util.ResourceUtil;
import org.jeecgframework.core.util.SCaptchaUtil;
import org.jeecgframework.jwt.util.ResponseMessage;
import org.jeecgframework.jwt.util.Result;
import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.entity.vo.NormalExcelConstants;
import org.jeecgframework.tag.core.easyui.TagUtil;
import org.jeecgframework.web.system.service.SystemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.UriComponentsBuilder;

import com.alibaba.fastjson.JSONArray;
import com.jeecg.o2o.captchas.entity.CaptchasEntity;
import com.jeecg.o2o.captchas.service.CaptchasServiceI;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;

/**   
 * @Title: Controller  
 * @Description: 验证码
 * @author onlineGenerator
 * @date 2019-05-27 11:16:52
 * @version V1.0   
 *
 */
@Api(value="Captchas",description="验证码",tags="captchasController")
@Controller
@RequestMapping("/captchasController")
public class CaptchasController extends BaseController {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(CaptchasController.class);

	@Autowired
	private CaptchasServiceI captchasService;
	@Autowired
	private SystemService systemService;
	@Autowired
	private Validator validator;
	


	/**
	 * 验证码列表 页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "list")
	public ModelAndView list(HttpServletRequest request) {
		return new ModelAndView("com/jeecg/o2o.captchas/captchasList");
	}

	/**
	 * easyui AJAX请求数据
	 * 
	 * @param request
	 * @param response
	 * @param dataGrid
	 * @param user
	 */
	@RequestMapping(params = "datagrid")
	public void datagrid(CaptchasEntity captchas,HttpServletRequest request, HttpServletResponse response, DataGrid dataGrid) {
		CriteriaQuery cq = new CriteriaQuery(CaptchasEntity.class, dataGrid);
		//查询条件组装器
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, captchas, request.getParameterMap());
		cq.add();
		this.captchasService.getDataGridReturn(cq, true);
		TagUtil.datagrid(response, dataGrid);
	}
	
	/**
	 * 删除验证码
	 * 
	 * @return
	 */
	@RequestMapping(params = "doDel")
	@ResponseBody
	public AjaxJson doDel(CaptchasEntity captchas, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		captchas = systemService.getEntity(CaptchasEntity.class, captchas.getId());
		message = "验证码删除成功";
		try{
			captchasService.delete(captchas);
			systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "验证码删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	
	/**
	 * 批量删除验证码
	 * 
	 * @return
	 */
	 @RequestMapping(params = "doBatchDel")
	@ResponseBody
	public AjaxJson doBatchDel(String ids,HttpServletRequest request){
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "验证码删除成功";
		try{
			for(String id:ids.split(",")){
				CaptchasEntity captchas = systemService.getEntity(CaptchasEntity.class, 
				Integer.parseInt(id)
				);
				captchasService.delete(captchas);
				systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
			}
		}catch(Exception e){
			e.printStackTrace();
			message = "验证码删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}


	/**
	 * 添加验证码
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doAdd")
	@ResponseBody
	public CaptchasEntity doAdd(CaptchasEntity captchas, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "验证码添加成功";
		try{
			//实例生成验证码对象
	        SCaptchaUtil instance = new SCaptchaUtil();
			BufferedImage image = new BufferedImage(80, 40, BufferedImage.TYPE_INT_RGB);
			//设置图片的背景色
	        Graphics2D main = image.createGraphics();
	        main.setColor(Color.white);
	        main.fillRect(0, 0, 80, 40);
	     
	        Graphics title = image.createGraphics();
	        //设置区域颜色
	        title.setColor(new Color(254, 254, 254));
	        //填充区域并确定区域大小位置
	        title.fillRect(0, 0, 80, 40);
	        //设置字体颜色，先设置颜色，再填充内容
	        title.setColor(Color.red);
	        //设置字体
	        Font titleFont = new Font("宋体", Font.BOLD, 14);
	        title.setFont(titleFont);
	        title.drawString(instance.getCode(),80/4, (50)/2+5);
	        
	        
			// 设置响应的类型格式为图片格式
//	        response.setContentType("image/jpeg");
////	        // 禁止图像缓存。
//	        response.setHeader("Pragma", "no-cache");
//	        response.setHeader("Cache-Control", "no-cache");
//	        response.setDateHeader("Expires", 0);
	        
	        
	        //将验证码存入session
//	        request.getSession().setAttribute("verification", instance.getCode());
	        //向页面输出验证码图片
//	        instance.write(response.getOutputStream());
	        ByteArrayOutputStream baos = new ByteArrayOutputStream();
	        ImageIO.write( image, "jpg", baos );
//	        baos.flush();
	        //使用toByteArray()方法转换成字节数组
	        byte[] imageInByte = baos.toByteArray();
	        baos.close();
	        captchas.setCode(instance.getCode());
	        captchas.setCodebyt(imageInByte);
			captchasService.save(captchas);
			systemService.addLog(message, Globals.Log_Type_INSERT, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "验证码添加失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return captchas;
	}
	
	/**
	 * 更新验证码
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doUpdate")
	@ResponseBody
	public AjaxJson doUpdate(CaptchasEntity captchas, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "验证码更新成功";
		CaptchasEntity t = captchasService.get(CaptchasEntity.class, captchas.getId());
		try {
			MyBeanUtils.copyBeanNotNull2Bean(captchas, t);
			captchasService.saveOrUpdate(t);
			systemService.addLog(message, Globals.Log_Type_UPDATE, Globals.Log_Leavel_INFO);
		} catch (Exception e) {
			e.printStackTrace();
			message = "验证码更新失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	

	/**
	 * 导入功能跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "upload")
	public ModelAndView upload(HttpServletRequest req) {
		req.setAttribute("controller_name","captchasController");
		return new ModelAndView("common/upload/pub_excel_upload");
	}
	
	/**
	 * 导出excel
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXls")
	public String exportXls(CaptchasEntity captchas,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
		CriteriaQuery cq = new CriteriaQuery(CaptchasEntity.class, dataGrid);
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, captchas, request.getParameterMap());
		List<CaptchasEntity> captchass = this.captchasService.getListByCriteriaQuery(cq,false);
		modelMap.put(NormalExcelConstants.FILE_NAME,"验证码");
		modelMap.put(NormalExcelConstants.CLASS,CaptchasEntity.class);
		modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("验证码列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
			"导出信息"));
		modelMap.put(NormalExcelConstants.DATA_LIST,captchass);
		return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	/**
	 * 导出excel 使模板
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXlsByT")
	public String exportXlsByT(CaptchasEntity captchas,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
    	modelMap.put(NormalExcelConstants.FILE_NAME,"验证码");
    	modelMap.put(NormalExcelConstants.CLASS,CaptchasEntity.class);
    	modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("验证码列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
    	"导出信息"));
    	modelMap.put(NormalExcelConstants.DATA_LIST,new ArrayList());
    	return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	
	@SuppressWarnings("unchecked")
	@RequestMapping(params = "importExcel", method = RequestMethod.POST)
	@ResponseBody
	public AjaxJson importExcel(HttpServletRequest request, HttpServletResponse response) {
		AjaxJson j = new AjaxJson();
		
		MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
		Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
		for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
			MultipartFile file = entity.getValue();// 获取上传文件对象
			ImportParams params = new ImportParams();
			params.setTitleRows(2);
			params.setHeadRows(1);
			params.setNeedSave(true);
			try {
				List<CaptchasEntity> listCaptchasEntitys = ExcelImportUtil.importExcel(file.getInputStream(),CaptchasEntity.class,params);
				for (CaptchasEntity captchas : listCaptchasEntitys) {
					captchasService.save(captchas);
				}
				j.setMsg("文件导入成功！");
			} catch (Exception e) {
				j.setMsg("文件导入失败！");
				logger.error(ExceptionUtil.getExceptionMessage(e));
			}finally{
				try {
					file.getInputStream().close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return j;
	}
	
	@RequestMapping(method = RequestMethod.GET)
	@ResponseBody
	@ApiOperation(value="验证码列表信息",produces="application/json",httpMethod="GET")
	public ResponseMessage<List<CaptchasEntity>> list() {
		List<CaptchasEntity> listCaptchass=captchasService.getList(CaptchasEntity.class);
		return Result.success(listCaptchass);
	}
	
	@RequestMapping(value = "/{id}", method = RequestMethod.GET)
	@ResponseBody
	@ApiOperation(value="根据ID获取验证码信息",notes="根据ID获取验证码信息",httpMethod="GET",produces="application/json")
	public ResponseMessage<?> get(@ApiParam(required=true,name="id",value="ID")@PathVariable("id") String id) {
		CaptchasEntity task = captchasService.get(CaptchasEntity.class, id);
		if (task == null) {
			return Result.error("根据ID获取验证码信息为空");
		}
		return Result.success(task);
	}

	@RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE)
	@ResponseBody
	@ApiOperation(value="创建验证码")
	public ResponseMessage<?> create(@ApiParam(name="验证码对象")@RequestBody CaptchasEntity captchas, UriComponentsBuilder uriBuilder) {
		//调用JSR303 Bean Validator进行校验，如果出错返回含400错误码及json格式的错误信息.
		Set<ConstraintViolation<CaptchasEntity>> failures = validator.validate(captchas);
		if (!failures.isEmpty()) {
			return Result.error(JSONArray.toJSONString(BeanValidators.extractPropertyAndMessage(failures)));
		}

		//保存
		try{
			captchasService.save(captchas);
		} catch (Exception e) {
			e.printStackTrace();
			return Result.error("验证码信息保存失败");
		}
		return Result.success(captchas);
	}

	@RequestMapping(value = "/{id}", method = RequestMethod.PUT, consumes = MediaType.APPLICATION_JSON_VALUE)
	@ResponseBody
	@ApiOperation(value="更新验证码",notes="更新验证码")
	public ResponseMessage<?> update(@ApiParam(name="验证码对象")@RequestBody CaptchasEntity captchas) {
		//调用JSR303 Bean Validator进行校验，如果出错返回含400错误码及json格式的错误信息.
		Set<ConstraintViolation<CaptchasEntity>> failures = validator.validate(captchas);
		if (!failures.isEmpty()) {
			return Result.error(JSONArray.toJSONString(BeanValidators.extractPropertyAndMessage(failures)));
		}

		//保存
		try{
			captchasService.saveOrUpdate(captchas);
		} catch (Exception e) {
			e.printStackTrace();
			return Result.error("更新验证码信息失败");
		}

		//按Restful约定，返回204状态码, 无内容. 也可以返回200状态码.
		return Result.success("更新验证码信息成功");
	}

	@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
	@ResponseStatus(HttpStatus.NO_CONTENT)
	@ApiOperation(value="删除验证码")
	public ResponseMessage<?> delete(@ApiParam(name="id",value="ID",required=true)@PathVariable("id") String id) {
		logger.info("delete[{}]" + id);
		// 验证
		if (StringUtils.isEmpty(id)) {
			return Result.error("ID不能为空");
		}
		try {
			captchasService.deleteEntityById(CaptchasEntity.class, id);
		} catch (Exception e) {
			e.printStackTrace();
			return Result.error("验证码删除失败");
		}

		return Result.success();
	}
}
